angular-cn/modules/examples/e2e_test/async/async_spec.ts

72 lines
2.3 KiB
TypeScript

import {verifyNoBrowserErrors} from 'angular2/src/test_lib/e2e_util';
function whenStable(rootSelector) {
// TODO(hankduan): remove this call once Protractor implements it
return browser.executeAsyncScript('var el = document.querySelector("' + rootSelector + '");' +
'window.getAngularTestability(el).whenStable(arguments[0]);');
};
describe('async', () => {
var URL = 'examples/src/async/index.html';
beforeEach(() => browser.get(URL));
it('should work with synchronous actions', () => {
var increment = $('#increment');
increment.$('.action').click();
expect(increment.$('.val').getText()).toEqual('1');
});
it('should wait for asynchronous actions', () => {
var timeout = $('#delayedIncrement');
timeout.$('.action').click();
// At this point, the async action is still pending, so the count should
// still be 0.
expect(timeout.$('.val').getText()).toEqual('0');
whenStable('async-app')
.then(() => {
// whenStable should only be called when the async action finished,
// so the count should be 1 at this point.
expect(timeout.$('.val').getText()).toEqual('1');
});
});
it('should notice when asynchronous actions are cancelled', () => {
var timeout = $('#delayedIncrement');
timeout.$('.action').click();
// At this point, the async action is still pending, so the count should
// still be 0.
expect(timeout.$('.val').getText()).toEqual('0');
timeout.$('.cancel').click();
whenStable('async-app')
.then(() => {
// whenStable should be called since the async action is cancelled. The
// count should still be 0;
expect(timeout.$('.val').getText()).toEqual('0');
});
});
it('should wait for a series of asynchronous actions', () => {
var timeout = $('#multiDelayedIncrements');
timeout.$('.action').click();
// At this point, the async action is still pending, so the count should
// still be 0.
expect(timeout.$('.val').getText()).toEqual('0');
whenStable('async-app')
.then(() => {
// whenStable should only be called when all the async actions
// finished, so the count should be 10 at this point.
expect(timeout.$('.val').getText()).toEqual('10');
});
});
afterEach(verifyNoBrowserErrors);
});